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Recognised as Colour

#21673D

  • #21673D
  • Green
  • Dark
  • Nearest: Sea green

#21673D is a green with RGB values 33, 103, 61 and HSL 144°, 51%, 27%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#21673D#21673D
HEX#21673D
RGBrgb(33, 103, 61)
RGB (0–1)0.1294, 0.4039, 0.2392
RGB percentages12.9%, 40.4%, 23.9%
HSLhsl(144, 51.5%, 26.7%)
HSV / HSBhsv(144, 68%, 40.4%)
CMYK68%, 0%, 40.8%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,189,117
CSS custom property--colour: #21673D;

Brightness & contrast

Relative luminance0.10361WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.84:1
Contrast with white6.84:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#DE98C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#675E3Ano red cones; affects about 1% of men; ΔE 30.5 from the original
Deuteranopia#5E5840no green cones; the most common form, about 1% of men; ΔE 30.6 from the original
Tritanopia#01665Cno blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.84:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Sea green · ΔE 15.2Dark olivegreen · ΔE 19.2Dark green · ΔE 26.9Teal · ΔE 28Dark cyan · ΔE 29.9Dark slate grey · ΔE 30.4
Nearest named CSS colourSea green (#2E8B57)ΔE 15.24, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#67214B
Analogous#286721, #216760
Triadic#3D2167, #673D21
Split complementary#602167, #672128
Tetradic#212867, #67214B, #676021

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7ED6A1
Lighter +30%#58C985
Lighter +20%#3AB46B
Lighter +10%#2D8E54
Darker −10%#154026
Darker −20%#081A0F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#10783A
Less saturated −25%#325640

Channel breakdown

R33
G103
B61
Red33 (12.9%)
Green103 (40.4%)
Blue61 (23.9%)
Hue144°
Saturation (HSL)51.47%
Lightness26.67%
Dominant channelGreen
Hex per channelR 21 · G 67 · B 3D

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Every value on this page was computed from “21673d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.